def _wait(self, unpair=True):
timeout = self._local_conf['thread_timeout'] * 24
start_time = time.time()
retry_count = 0
while True:
cur_time = time.time()
if (cur_time - start_time) > timeout:
raise exception.APITimeout(_('UnpairWait wait timeout.'))
sleep_time = get_sleep_time_for_clone(retry_count)
LOG.debug('Sleep %d seconds Start', sleep_time)
time.sleep(sleep_time)
retry_count += 1
query_status = self._cli.query_MV_RV_status(self._rvname, 'RV')
if query_status == 'separated':
if unpair is True:
self._cli.unpair(self._mvname, self._rvname, 'normal')
break
elif query_status == 'sep/exec':
continue
else:
LOG.debug('iSMrc_query command result abnormal.'
'Query status = %(status)s, RV = %(rv)s.',
{'status': query_status, 'rv': self._rvname})
break
def get_server(self, context, server_id, privileged_user=False,
timeout=None):
try:
return novaclient(context, privileged_user=privileged_user,
timeout=timeout).servers.get(server_id)
except nova_exceptions.NotFound:
raise exception.ServerNotFound(uuid=server_id)
except request_exceptions.Timeout:
raise exception.APITimeout(service='Nova')
def _sync_execute(self, command, diskarray_name,
expected_status=[0], raise_exec=True):
retry_flag = True
retry_count = 0
while retry_flag is True:
try:
out, err, status = self._cli_execute(command, expected_status,
False)
if status != 0:
errflg = 0
errnum = out + err
LOG.debug('ismcli failed (errnum=%s).', errnum)
for retry_msgid in retry_msgids:
if errnum.find(retry_msgid) >= 0:
LOG.debug('`%(command)s` failed. '
'%(name)s %(errnum)s '
'retry_count=%(retry_count)d',
{'command': command,
'name': __name__,
'errnum': errnum,
'retry_count': retry_count})
errflg = 1
break
if errflg == 1:
retry_count += 1
if retry_count >= 60:
msg = (_('Timeout `%(command)s`.'
' status=%(status)d, '
'out="%(out)s", '
'err="%(err)s".') %
{'command': command,
'status': status,
'out': out,
'err': err})
raise exception.APITimeout(msg)
time.sleep(5)
continue
else:
if raise_exec is True:
msg = _('Command `%s` failed.') % command
raise exception.VolumeBackendAPIException(data=msg)
except EOFError:
with excutils.save_and_reraise_exception() as ctxt:
LOG.debug('EOFError has occurred. '
'%(name)s retry_count=%(retry_count)d',
{'name': __name__,
'retry_count': retry_count})
retry_count += 1
if retry_count < 60:
ctxt.reraise = False
time.sleep(5)
continue
retry_flag = False
return out, err, status
def has_extension(self, context, extension, timeout=None):
try:
client = novaclient(context, timeout=timeout)
# Pylint gives a false positive here because the 'list_extensions'
# method is not explicitly declared. Overriding the error.
# pylint: disable-msg=E1101
nova_exts = client.list_extensions.show_all()
except request_exceptions.Timeout:
raise exception.APITimeout(service='Nova')
return extension in [e.name for e in nova_exts]
def exec_cmd(self,
context,
server_id,
command,
run_as="root",
timeout=None):
server = self.get_server(context, server_id, timeout=timeout)
try:
return novaclient(context, timeout=timeout)\
.servers.exec_cmd_by_qga(server, command, run_as)
except nova_exceptions.NotFound:
raise exception.ServerNotFound(uuid=server_id)
except request_exceptions.Timeout:
raise exception.APITimeout(service='Nova')
except Exception as e:
LOG.error(_LE("Run cmd error, %s"), e)
raise exception.ExecCmdError()
def set_vm_state(self, context, server_id, vm_state, timeout=None):
server = self.get_server(context, server_id, timeout=timeout)
try:
return novaclient(context, timeout=timeout).servers.reset_state(
server, vm_state)
except nova_exceptions.NotFound:
raise exception.ServerNotFound(uuid=server_id)
except request_exceptions.Timeout:
raise exception.APITimeout(service='Nova')
except Exception as e:
if isinstance(e, basestring):
errmsg = e
else:
errmsg = e.message
if errmsg.find(NOT_PERMIT_VM_STATE) != -1:
raise exception.NotPermitVmState()
else:
raise
def thaw_filesystem(self, context, server_id, timeout=None):
server = self.get_server(context, server_id, timeout=timeout)
if server.status in [
"SHUTOFF", "PAUSED", "SUSPENDED", "SHELVED_OFFLOADED"
]:
LOG.warn(
_LW("VM %(server_id)s is in %(state)s state, do not need"
"to thaw filesystem"), {
'server_id': server_id,
'state': server.status
})
return
try:
return novaclient(context,
timeout=timeout).servers.thaw_filesystem(server)
except nova_exceptions.NotFound:
raise exception.ServerNotFound(uuid=server_id)
except request_exceptions.Timeout:
raise exception.APITimeout(service='Nova')
except nova_exceptions.Conflict as e:
if isinstance(e, basestring):
errmsg = e
else:
errmsg = e.message
LOG.warn(
_LW('vm %(server_id)s freeze fs meet error,'
'error message is %(message)s'), {
'server_id': server_id,
'message': e.message
})
if errmsg.find(QEMU_GA_NOT_ENABLE) != -1:
raise exception.QemuGANotEnable()
elif errmsg.find(QEMU_GA_NOT_AVAILABLE) != -1:
raise exception.QemuGANotAvailable()
elif errmsg.find(QEMU_GA_REPEAT_THAW) != -1:
raise exception.QemuGARepeatThaw()
else:
raise
def has_extension(self, context, extension, timeout=None):
try:
nova_exts = novaclient(context).list_extensions.show_all()
except request_exceptions.Timeout:
raise exception.APITimeout(service='Nova')
return extension in [e.name for e in nova_exts]
def has_extension(self, context, extension, timeout=None):
try:
nova_exts = nova_client.discover_extensions(NOVA_API_VERSION)
except request_exceptions.Timeout:
raise exception.APITimeout(service='Nova')
return extension in [e.name for e in nova_exts]
def _trace_test_method(*args, **kwargs):
raise exception.APITimeout('test message')
